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yaroslaw [1]
3 years ago
12

Help for median Xoxo

Mathematics
2 answers:
Tasya [4]3 years ago
5 0
9.8 is the middle number which is the median
Firlakuza [10]3 years ago
3 0

Answer:6.3

Step-by-step explanation: blablabla

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The perimeter of a rectangle is given by P equals 2 l plus 2 w. Find the width of a rectangle whose length is 35 and perimeter i
maks197457 [2]
2l + 2w = P
l = 35,  P = 84,  w=?

2*35 + 2*w = 84
70 + 2w = 84
2w = 84 - 70
2w = 14
w = 14/2
w = 7 in
5 0
3 years ago
PLEASE HELP ASAP!!!
barxatty [35]

Answers:

  • <u>24000 dollars</u> invested at 4%
  • <u>18000 dollars</u> was invested at 7%

======================================================

Work Shown:

x = amount invested at 4%

If she invests x dollars at 4%, then the rest (42000-x) must be invested at the other rate of 7%

She earns 0.04x dollars from that first account and 0.07(42000-x) dollars from the second account

This means we have

0.04x+0.07(42000-x)

0.04x+0.07*42000-0.07x

0.04x+2940-0.07x

-0.03x+2940

This represents the total amount of money earned after 1 year.

We're told the amount earned in interest is $2220, so we can say,

-0.03x+2940 = 2220

-0.03x = 2220-2940

-0.03x = -720

x = -720/(-0.03)

x = 24000 dollars is the amount invested at 4%

42000-x = 42000-24000 = 18000 dollars was invested at 7%

----------------------

As a check, we can see that

18000+24000 = 42000

and also

0.04x = 0.04*24000 = 960 earned from the first account

0.07*18000 = 1260 earned from the second account

1260+960 = 2220 is the total interest earned from both accounts combined

This confirms our answers.

7 0
3 years ago
Given sin b = .88 find angle b in radians
Rama09 [41]
sin^{-1}0.88=61.642\ degrees
There are pi radians in 180 degrees. Therefore to convert degrees to radians we need to divide by 180 and multiply by pi, as follows:
\frac{61.642}{180}\times \pi=1.076\ radians

7 0
3 years ago
Joshua saves £12 a week in a saving account. How much will he save in one year?
Tcecarenko [31]

Answer:

£624

52 weeks in a year 52 x 12

4 0
3 years ago
Read 2 more answers
If D =RT<br> Calculate the distance when the rate is 20 MPH and Time =15 hours
algol13

Answer:

300m

Step-by-step explanation:

  • Because d = rt
  • 20 * 15 = 300
7 0
2 years ago
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